Miniaturized, portable gustation interfaces for VR/AR/MR DOI
Yiming Liu, Woo‐Young Park, Chun Ki Yiu

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2024, Volume and Issue: 121(49)

Published: Nov. 25, 2024

Gustation is one of the five innate sensations for humans, distinguishing from vision, auditory, tactile, and olfaction, as which a close chemically induced sense. Despite fact that handful gustation display technologies have been developed, new still pose significant challenges in miniaturization overall size portability, enriching taste options within limited working area, supporting natural human-device interaction, achieving precisely controlled feedback. To address these issues, here, we report set intelligent portable lollipop-shaped interfacing systems covering 2 to 9 different establishing an adjustable platform virtual reality (VR), augmented (AR), mixed (MR) environments. Tasteful food-grade chemicals embedded agarose hydrogels serve sources based on iontophoresis operation principle, with feedback intensity independent time by tuning voltage input. achieve portability user-friendly operation, devices are miniaturized into interface 9-channel generators dimension 8 cm × 3 1 cm. realize both olfaction feedbacks Metaverse, 7-channel odor also introduced system. As result, demonstrations our medical assessment, remote shopping, proven their advances great progress various potential application areas, ranging human-machine interfaces, biomedical science, entertainment.

Language: Английский

Wireless Technologies for Wearable Electronics: A Review DOI Creative Commons
Choong Yeon Kim, Juhyun Lee,

Eun Young Jeong

et al.

Advanced Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 26, 2025

Abstract Wireless technologies have profoundly transformed wearable electronics, advancing them from early, wired designs to untethered devices that seamlessly integrate into daily life. The adoption of wireless solutions has unlocked new possibilities, allowing for real‐time remote monitoring, enhanced comfort, and greater versatility across diverse settings. These advancements expand the applications electronics activity tracking health monitoring rehabilitation, human–machine interfaces, immersive virtual augmented reality. However, shift introduces unique challenges. Unlike traditional tethered systems, must carefully balance power efficiency, communication stability, user convenience without relying on connections. This review examines recent challenges in implementing with a focus solutions. It begins by discussing key design considerations achieving reliable functionality electronics. Subsequently, it explores technologies, ranging short‐range protocols long‐range networks, as well powering methods, including integrated sources energy harvesting technologies. Their applications, particularly healthcare interactive are also discussed. Finally, highlights major outlines potential future directions drive development next generation

Language: Английский

Citations

0
Self-powered electrotactile textile haptic glove for enhanced human-machine interface DOI Creative Commons

Guoqiang Xu,

Haoyu Wang, Guangyao Zhao

et al.

Science Advances, Journal Year: 2025, Volume and Issue: 11(12)

Published: March 21, 2025

Human-machine interface (HMI) plays an important role in various fields, where haptic technologies provide crucial tactile feedback that greatly enhances user experience, especially virtual reality/augmented reality, prosthetic control, and therapeutic applications. Through feedback, users can interact with devices a more realistic way, thereby improving the overall effectiveness of experience. However, existing are often bulky due to cumbersome instruments power modules, limiting comfort portability. Here, we introduce concept wearable technology: thin, soft, self-powered electrotactile textile (SPETH) glove uses triboelectric effect gas breakdown discharge for localized electrical stimulation. Daily hand movements generate sufficient mechanical energy SPETH glove. Its features—softness, lightweight, self-sustainability, portability, affordability—enable it anytime anywhere without external equipment. This makes enhanced, battery-free HMI suitable wide range

Language: Английский

Citations

0
Modeling tactile perceived intensity for vibration from a coin eccentric rotating mass motor DOI
Yun Fang, Jian Huang,

Yu-jun Wu

et al.

Science China Technological Sciences, Journal Year: 2025, Volume and Issue: 68(2)

Published: Jan. 10, 2025

Language: Английский

Citations

0
Interfacial Contact Engineering Enables Giant‐Performance Semiconductor Nanomembrane Optoelectronic Devices DOI Creative Commons
Yibo Zhang,

Gloria Vytas,

Haozhe Wang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 18, 2025

Abstract Contact properties at a nanoscale interface critically influence the electrical behaviors of heterogeneous semiconductor devices. Herein, platform is established to systematically investigate nanomembrane interfacial contacts and their impact on optoelectronic performance various heterojunctions. Photodiodes with asymmetrical symmetrical junctions are synthesized through combination different contact material stacks processing steps. Adjusting surface Schottky barrier height essential in controlling charge injection reducing noise current. Two principal strategies utilized enhance barrier: passivation reactions tuning buffer layer work function. For electron‐rich Si nanomembranes (SiNMs), an indium‐tin‐oxide (ITO) demonstrated boost both above by varying device fabrication processing. The work‐function tunable semiconductor‐like ITO (semi‐ITO) developed for junction, while Ohmic optimized inserting emerging low ytterbium oxide (YbO x ) layer. Extraordinary sensing faint light demonstrated, including fA/ µm level reverse dark current, rectification ratio ≈10 8 , picowatt‐level illumination resolution, self‐powered detection, rapid response speed (≈2.57 µs rise time). This research offers universal approach modifying advanced

Language: Английский

Citations

0
Recent Advances in Wearable Thermal Devices for Virtual and Augmented Reality DOI Creative Commons
Minsu Park

Micromachines, Journal Year: 2025, Volume and Issue: 16(4), P. 383 - 383

Published: March 27, 2025

Thermal technologies that effectively deliver thermal stimulation through skin-integrated systems and enable temperature perception via the activation of cutaneous thermoreceptors are key to enhancing immersive experiences in virtual augmented reality (VR/AR) multisensory engagement. However, recent advancements commercial adoption have predominantly focused on haptic rather than technology. This review provides an overview wearable devices (WTDs) designed reconstruct artificial sensations for VR/AR applications. It examines parameters, including area, magnitude, duration, with a focus mechanisms thermoreceptor distribution skin. Input power requirements surpassing thresholds discussed based analytical modeling. Material choices WTDs, metal nanowires, carbon nanotubes, liquid metals, thermoelectric devices, passive cooling elements, introduced. The functionalities, device designs, operation modes, fabrication processes, electrical mechanical properties various WTDs analyzed. Representative applications illustrate how flexible, thin spatiotemporal, programmable stimulation. A concluding section summarizes challenges future opportunities advancing skin–integrated systems.

Language: Английский

Citations

0
Wireless programmable patterns of electro-hydraulic haptic electronic skins able to create surface morphology DOI
Yue Chen, Hao Wu, Xiaoxin Wang

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 500, P. 156612 - 156612

Published: Oct. 11, 2024

Language: Английский

Citations

2
Development of a Modular Adjustable Wearable Haptic Device for XR Applications DOI Creative Commons
Ali Najm, Domna Banakou, Despina Michael‐Grigoriou

et al.

Virtual Worlds, Journal Year: 2024, Volume and Issue: 3(4), P. 436 - 458

Published: Oct. 16, 2024

Current XR applications move beyond audiovisual information, with haptic feedback rapidly gaining ground. However, current devices are still evolving and often struggle to combine key desired features in a balanced way. In this paper, we propose the development of high-resolution (HRH) system for perception enhancement, wearable technology designed augment extended reality (XR) experiences through precise localized tactile feedback. The HRH modular design 58 individually addressable actuators, enabling intricate interactions within compact form. Dual ESP32-S3 microcontrollers custom-designed ensure robust processing low-latency performance, crucial real-time applications. Integration Unity game engine provides developers user-friendly dynamic environment accurate, simple control customization. design, utilizing flexible PCB, supports wide range enhancing its versatility various A comparison our proposed existing solutions indicates that outperforms other by encapsulating several features, including adjustability, affordability, modularity, not only aims advance field but also introduces an intuitive tool exploring new methods human–computer interactions. Future work will focus on refining communication used convey information expand system’s

Language: Английский

Citations

2
Haptic artificial muscle skin for extended reality DOI Creative Commons
Yuxuan Guo, Yang Luo,

Roshan Plamthottam

et al.

Science Advances, Journal Year: 2024, Volume and Issue: 10(43)

Published: Oct. 25, 2024

Existing haptic actuators are often rigid and limited in their ability to replicate real-world tactile sensations. We present a wearable artificial muscle skin (HAMS) based on fully soft, millimeter-scale, multilayer dielectric elastomer (DEAs) capable of significant out-of-plane deformation, capability that typically requires or liquid biasing. The DEAs use thickness-varying structure achieve large displacement force, maintaining comfort wearability. Experimental results demonstrate HAMS can produce complex feedback with high perception accuracy. Moreover, we show be integrated into extended reality (XR) systems, enhancing immersion offering potential applications entertainment, education, assistive technologies.

Language: Английский

Citations

2
Unlocking High-Efficiency Energy Storage and Conversion with Biocompatible Electrodes: The Key Role of Interfacial Interaction Assembly and Structural Design DOI Creative Commons
Jeongyeon Ahn,

H. G. Lim,

Jongkuk Ko

et al.

Energy Advances, Journal Year: 2024, Volume and Issue: 3(9), P. 2152 - 2174

Published: Jan. 1, 2024

This perspective paper covers textile- and hydrogel-based biocompatible electrodes, their applications for supercapacitors, biofuel cells, actuators, focusing on the importance of interfacial interactions between electrode components.

Language: Английский

Citations

1
Miniaturized, portable gustation interfaces for VR/AR/MR DOI
Yiming Liu, Woo‐Young Park, Chun Ki Yiu

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2024, Volume and Issue: 121(49)

Published: Nov. 25, 2024

Gustation is one of the five innate sensations for humans, distinguishing from vision, auditory, tactile, and olfaction, as which a close chemically induced sense. Despite fact that handful gustation display technologies have been developed, new still pose significant challenges in miniaturization overall size portability, enriching taste options within limited working area, supporting natural human-device interaction, achieving precisely controlled feedback. To address these issues, here, we report set intelligent portable lollipop-shaped interfacing systems covering 2 to 9 different establishing an adjustable platform virtual reality (VR), augmented (AR), mixed (MR) environments. Tasteful food-grade chemicals embedded agarose hydrogels serve sources based on iontophoresis operation principle, with feedback intensity independent time by tuning voltage input. achieve portability user-friendly operation, devices are miniaturized into interface 9-channel generators dimension 8 cm × 3 1 cm. realize both olfaction feedbacks Metaverse, 7-channel odor also introduced system. As result, demonstrations our medical assessment, remote shopping, proven their advances great progress various potential application areas, ranging human-machine interfaces, biomedical science, entertainment.

Language: Английский

Citations

0